Funding for this research was provided by:
Horizon 2020 Framework Programme (CIP-ICT-PSP-2012-325123, CIP-ICT-PSP-2012-325123.)
Article History
Received: 18 March 2020
Accepted: 12 August 2020
First Online: 12 October 2020
Competing interests
: The authors declare that they have no conflict of interest.